Introduction
This manual provides essential information for the safe and effective use of your Onerbl 12V AC-DC Adapter. This power supply is designed as a replacement or spare for compatible devices, specifically the TiVo Bolt 1TB TCD849000, 500GB TCD849500, and TCD849000VO Unified Entertainment System 4K DVR & Streaming Media Player. It converts standard AC wall power to the required 12V DC power for your device.
Safety Information
- Ensure the adapter is used with devices that match its voltage (12V) and current (2.0A) specifications. Using an incompatible adapter may damage your device.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open or modify the adapter. There are no user-serviceable parts inside.
- Unplug the adapter from the wall outlet when not in use for extended periods.
- Keep out of reach of children.
Setup
- Unpack the Adapter: Carefully remove the Onerbl 12V AC-DC Adapter from its packaging.
- Verify Compatibility: Confirm that your device requires a 12V DC input with a current draw of 2.0A or less. This adapter is specifically designed for TiVo Bolt 1TB TCD849000, 500GB TCD849500, and TCD849000VO models.
- Connect to Device: Insert the DC output plug of the adapter firmly into the power input port of your TiVo Bolt device.
- Plug into Wall Outlet: Insert the AC input plug of the adapter into a standard 100-240V AC wall outlet. Ensure the outlet is easily accessible.

Image: Front and side views of the Onerbl 12V AC-DC Adapter, showing the AC input prongs and DC output cable.

Image: The Onerbl 12V AC-DC Adapter plugged into a power strip, demonstrating a typical usage scenario with a connected device.
Operating Instructions
Once properly connected, the Onerbl 12V AC-DC Adapter will automatically supply power to your TiVo Bolt device. There are no additional controls or settings required for operation. The adapter is designed for continuous use, providing stable power to your device.
Maintenance
- Cleaning: Use a dry, soft cloth to wipe the adapter clean. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid bending or crimping the power cable excessively. Do not place heavy objects on the cable.
Troubleshooting
- Device Not Receiving Power:
- Ensure the adapter is securely plugged into both the wall outlet and your TiVo Bolt device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that the adapter's specifications (12V, 2.0A) match your device's power requirements.
- Adapter Feels Warm: It is normal for the adapter to feel slightly warm during operation. If it becomes excessively hot or emits a burning smell, immediately unplug it from the wall outlet and discontinue use.
Specifications
- Input: 100-240VAC, 0.3A, 50/60Hz
- Output: 12VDC, 2.0A
- Compatibility: TiVo Bolt 1TB TCD849000, 500GB TCD849500, TCD849000VO Unified Entertainment System 4K DVR & Streaming Media Player
- Features: Over Voltage Protection, Over Heat Protection
- Dimensions (Adapter Body): Approximately 2.6 inches (Length) x 1.6 inches (Width) x 1.2 inches (Height)
- Cable Length: Approximately 76 inches

Image: Diagram illustrating the dimensions of the Onerbl 12V AC-DC Adapter (2.6 x 1.6 x 1.2 inches) and its 76-inch cable length.
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact the manufacturer directly through their official website or customer service channels. Please have your product model and purchase details ready when contacting support.